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12 worst U.S. cities for allergy sufferers

New Orleans, Louisiana

New Orleans, Louisiana, scores a 73.56 from the AAFA. New Orleans is worse than average for patients using medications, but average for pollen count and the ratio of allergists to patients.

Warm winters can cause plants and trees to bloom earlier, making allergy season worse for residents of this city. Experts say that spring's rising and falling temperatures can confuse plants, causing some to bloom at different times and creating new combinations of types of pollen.

New Orleans, Louisiana

New Orleans, Louisiana, scores a 73.56 from the AAFA. New Orleans is worse than average for patients using medications, but average for pollen count and the ratio of allergists to patients.

Warm winters can cause plants and trees to bloom earlier, making allergy season worse for residents of this city. Experts say that spring's rising and falling temperatures can confuse plants, causing some to bloom at different times and creating new combinations of types of pollen.